| 单词 | lichen substance |
| 释义 | > as lemmaslichen substance lichen substance n. any of about 65 compounds, most of which are acids, which are found uniquely in lichens. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from lichens > [noun] lichenic acid1836 lichen-acid1893 lichen substance1900 1900 Jrnl. Royal Microsc. Soc. 235 (heading) Lichen-substances. 1954 Y. Asahina & S. Shibata (title) Chemistry of lichen substances. 1967 M. E. Hale Biol. Lichens viii. 111 The depsides..make up the largest group of lichen substances. < as lemmas |
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